JD
John Dwyer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this John Dwyer across the 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 7-person household.
Age 20
b. ~1910
Male
Son
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Dwyer |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Central Township Part Of |
| Est. Birth Year | ~1910 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ada Dwyer | Daughter | — | 16 | ~1914 |
| John Dwyer | Son | — | 20 | ~1910 |
| Alfred Dwyer | Son | — | 18 | ~1912 |
| John Dwyer | Head | — | 52 | ~1878 |
| Mary Dwyer | Daughter | — | 8 | ~1922 |
| Timothy Dwyer | Son | — | 14 | ~1916 |
| Ada Dwyer | Spouse | — | 51 | ~1879 |
Census Appearances
1930
St Louis, …
Son, age 20
St Louis, Missouri · implied b. ~1910 — 7 household members
| Surname | Dwyer |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Head, age 31
St.-Louis-County, Missouri · implied b. ~1909 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dwyer |
| Given Name | Joel H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Pasadena Park Village |
| 1935 Residence (County) | St. Louis |
| Occupation | Sales Manager |
| Industry | Metal & Plate Engraving |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 5000 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Dwyer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dwyer
Son · 1930 · age 20 · b. ~1910 · Missouri
★ You are viewing this record
Sibling
Timothy Dwyer
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Dwyer
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Dwyer
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ada Dwyer
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — St Louis, Missouri
Open full size
1930 US Federal Census — St Louis, Missouri
Page Contents
48 people indexed on this census page (ia:1930:missouricensus00reel1226:0349)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Matilda Dreyer | 27 | Wife | None | England |
| 52 | Barbara Dreyer | 7 | Daughter | None | Missouri |
| 53 | Marilyn Dreyer | 3 | Daughter | None | Missouri |
| 54 | Charles Dreyer | 1 | Son | None | Missouri |
| 55 | John J. Dwyer | 52 | Head | Salesman | Missouri |
| 56 | Ada Dwyer | 51 | Wife | None | Missouri |
| 57 | John D. Dwyer THIS PERSON | 20 | Son | None | Missouri |
| 58 | Alfred Dwyer | 18 | Son | None | Missouri |
| 59 | Ada Dwyer | 16 | Daughter | None | Missouri |
| 60 | Timothy Dwyer | 14 | Son | None | Missouri |
| 61 | Mary Dwyer | 8 | Daughter | None | Missouri |
| 62 | Kim B. Newhouse | 46 | Head | Representative | Minnesota |
| 63 | Mabel Newhouse | 42 | Wife | None | Missouri |
| 64 | Jane Newhouse | 15 | Daughter | None | Missouri |
| 65 | Simon Willebrook | 25 | Head | None | Missouri |
| 66 | Norma Willebrook | 27 | Wife | None | Missouri |
| 67 | Otto F. Hotze | 58 | Head | Painter | Missouri |
| 68 | Emma Hotze | 45 | Wife | None | Missouri |
| 69 | Julia Lemke | 57 | Head | None | Missouri |
| 70 | Theodore Armstrong | 22 | Servant | Office Boy | Illinois |
| 71 | Jack Musoro | 23 | Servant | Clerk | Italy |
| 72 | James Montgomery | 30 | Servant | Waiter | Missouri |
| 73 | Harry W. Beck | 56 | Head | Manager | Illinois |
| 74 | Maude Beck | 54 | Wife | None | Illinois |
| 75 | Stanley M. Townsend | 27 | Head | Manager | Missouri |
| 76 | Thelma Townsend | 28 | Wife | None | Illinois |
| 77 | Edwin H. Shutt | 40 | Head | Manager | Colorado |
| 78 | Louise Shutt | 41 | Wife | None | Missouri |
| 79 | Arlette Shutt | 8 | Daughter | None | Missouri |
| 80 | Edwin Jr. Shutt | 2 | Son | None | Missouri |
| 81 | Robert Shutt | 2 | Son | None | Missouri |
| 82 | Lloyd F. Beckham | 50 | Head | Servant | Illinois |
| 83 | Elizabeth Beckham | 39 | Wife | None | Missouri |
| 84 | William A. Kelly | 37 | Head | Salesman | Missouri |
| 85 | Marjorie A. Kelly | 36 | Wife | None | Missouri |
| 86 | William Jr. Kelly | 11 | Son | None | Iowa |
| 87 | Robert L. Crabb | 57 | Head | Carpenter | Kentucky |
| 88 | Lulu S. Crabb | 50 | Wife | None | Kentucky |
| 89 | Amelia Salembier | 25 | Servant | Servant | Austria |
| 90 | Arthur Anderson | 40 | Head | Manager | Rhode Island |
| 91 | Marjorie Anderson | 36 | Wife | None | Missouri |
| 92 | Arthur Jr. Anderson | 11 | Son | None | Missouri |
| 93 | Marjorie Ann Anderson | 7 | Daughter | None | Missouri |
| 94 | Mary Ellen Anderson | 5 | Daughter | None | Missouri |
| 95 | Verna | 27 | Servant | Servant | Illinois |
| 96 | Robert L. Morton | 71 | Head | Agent | Rhode Island |
| 97 | Mary J. Morton | 68 | Wife | None | Maryland |
| 98 | Robert L. Jr. Morton | 28 | Son | Agent | Missouri |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)